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[Xen-users] Hypervisor trap when dumping register



Hi

I'm playing xen on Hikey board which has octa-core with Cortex-A53. When I am trying to dump core registers on xen console (press 'd'), I got Hypervisor trap error.

Anyone can explain why it happen and how to fix it?

Thanks.

(XEN) 'd' pressed -> dumping registers
(XEN)
(XEN) *** Dumping CPU0 host state: ***
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000245ed8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8Hypervisor Trap. HSR=0x96000007 EC=0x25 IL=1 Syndr
ome=0x7
(XEN) CPU0: Unexpected Trap: Hypervisor
(XEN) ----[ Xen-4.7.0-rc  arm64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     0000000000231db8

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